Qualcomm Snapdragon 8 Gen 1 Firmware vulnerabilities

48 CVEs affecting Qualcomm Snapdragon 8 Gen 1 Firmware, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-21385, published 2026-03-02.

More from Qualcomm.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerability, published 2026-03-02. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2026-03-03. EPSS: 1.3% chance of exploitation in the next 30 days. Memory corruption while using alignments for memory allocation.
• CVE-2023-28581, published 2023-09-05. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. Memory corruption in WLAN Firmware while parsing receieved GTK Keys in GTK KDE.
• CVE-2023-33016, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in WLAN firmware while parsing MLO (multi-link operation).
• CVE-2023-33015, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in WLAN Firmware while interpreting MBSSID IE of a received beacon frame.
• CVE-2023-21631, published 2023-07-04. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. Weak Configuration due to improper input validation in Modem while processing LTE security mode command message received from network.
• CVE-2023-28584, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in WLAN Host when a mobile station receives invalid channel in CSA IE while doing channel switch announcement (CSA).
• CVE-2024-33051, published 2024-09-02. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing TIM IE from beacon frame as there is no check for IE length.
• CVE-2024-33050, published 2024-09-02. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while parsing MBSSID during new IE generation in beacon/probe frame when IE length check is either missing or improper.
• CVE-2024-53027, published 2025-03-03. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS may occur while processing the country IE.
• CVE-2024-38426, published 2025-03-03. Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days. While processing the authentication message in UE, improper authentication may lead to information disclosure.

Latest

• CVE-2025-47383, published 2026-03-02. High severity, CVSS 7.2. EPSS: 0.1% chance of exploitation in the next 30 days. Weak configuration may lead to cryptographic issue when a VoWiFi call is triggered from UE.
• CVE-2025-47373, published 2026-03-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when accessing buffers with invalid length during TA invocation.
• CVE-2025-47371, published 2026-03-02. Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS when an LTE RLC packet with invalid TB is received by UE.
• CVE-2025-47348, published 2026-01-07. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing identity credential operations in the trusted application.
• CVE-2025-47333, published 2026-01-07. Medium severity, CVSS 6.6. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while handling buffer mapping operations in the cryptographic driver.
• CVE-2025-47331, published 2026-01-07. Medium severity, CVSS 6.1. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while processing a firmware event.
• CVE-2025-47330, published 2026-01-07. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS while parsing video packets received from the video firmware.
• CVE-2025-47323, published 2025-12-18. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while routing GPR packets between user and root when handling large data packet.
• CVE-2025-21424, published 2025-03-03. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while calling the NPU driver APIs concurrently.